NorthWestern Energy Announces Merger with Black Hills Corp for $15.4 Billion
Deal News | Aug 19, 2025 | EIN
NorthWestern Energy announced a planned merger with Black Hills Corp in a deal valued at $15.4 billion. The merger aims to create a premier regional regulated electric and natural gas utility spanning eight states, serving approximately 2.1 million customers. Both companies' boards have approved the merger, which will require further approvals from regulators across Montana, Nebraska, South Dakota, and potentially Arkansas. The Public Service Commission (PSC) of Montana will scrutinize the deal to ensure it meets public interest and consumer protection standards. Upon completion, the combined entity would be poised to enhance infrastructure investment, earnings, and embrace renewable energy. Black Hills shareholders will control 56% of the new company. The merger is projected to increase earnings per share by 5-7%. The public will be involved in PSC's decision-making, and some parties express optimism about the merger's potential impact on clean energy progress.
Sectors
- Utilities
- Energy
Geography
- United States – The merger involves companies operating in several states including Montana, Nebraska, South Dakota, and others, making the U.S. a relevant geography.
- Montana – Montana is one of the key states where NorthWestern Energy operates, and the state’s PSC will closely scrutinize the deal.
- South Dakota – South Dakota is the base of operations for Black Hills and part of NorthWestern’s service area, making it significant to the merger.
Industry
- Utilities – The article discusses a merger between two utility companies providing electric and natural gas services, relevant to the Utilities Industry.
- Energy – The deal emphasizes improvements in clean energy and infrastructure investments, connecting it to the Energy Industry.
Financials
- $15.4 billion – The estimated enterprise value of the merger between NorthWestern Energy and Black Hills.
- 5% to 7% – The projected increase in earnings per share as a result of the merger.
- 56% and 44% – The ownership split between Black Hills shareholders and NorthWestern shareholders in the combined company.
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| NorthWestern Energy | Target Company | Company | A utility company operating in Montana, South Dakota, and Nebraska, serving 787,000 customers. |
| Black Hills Corp | Bidding Company | Company | A utility provider operating in eight states, serving 1.35 million gas and electric customers, based in South Dakota. |
| Montana Public Service Commission | Regulatory Body | Government | A commission that will scrutinize the merger deal to ensure compliance with public interest and consumer protection standards. |
| Federal Energy Regulatory Commission | Regulatory Body | Government | A federal agency responsible for approving the merger deal. |
| Montana Environmental Information Center | Stakeholder | Charity | A conservation and energy watchdog that monitors energy policies and their impact. |
| Gov. Greg Gianforte | Stakeholder | Person | The Governor of Montana, expressing interest in the merger's potential to enhance energy supply and job creation. |
| Anne Hedges | Stakeholder | Person | A representative from the Montana Environmental Information Center emphasizing the need for modernization in energy systems. |